Grade 4 have been talking about DNA, so they looked at the structure of different plant and animal cells then built their own 3D DNA models. Students used sports drinks and special chemicals to collect their own DNA just as scientists do in a ...
●LAB:ExtractDNA from plant and animal cells. ●PRE LAB:Infectious Disease ●LAB:Infect harmless bacteria with a bacteriophage virusto observe the viral "life cycle" in a Petri dish ●LAB:Perform anantibiotic sensitivity testto identify antibiotic resistance ...
Another unusual plant is known as the yard﹣long bean or snake bean. It grows up to one meter in length. It is an important part of the food supply in areas of Asia. American farmers like it because it is different, yet tastes very much like the green beans they traditionally grow. ...
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You can share your achievements with your friends and try to “plant” different kinds of trees.Rocket Alarm ClockIt’s hard to get out of bed every morning. You might hit the “snooze” button(“止闹”按钮) on your alarm clock again and again just to get a little more sleep. However...
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There are many ways to check out STEAM activities (complete list), or try one of these listed below and grab the printable guide as a handy reference. LEGO Drawing Shadows STEAM Activity Explore Biology with Plant Cells and Animal Cells Create a Bouquet of Coffee Filter Flowers Make an Art ...
A T-DNA knockout mutant of Arabidopsis (Arabidopsis thaliana) with disruption in the putative Acr2 gene had no AR activity. We could not detect AR ... Gui-Lan Duan, Yong-Guan Zhu*, Yi-Ping Tong, Chao Cai and Ralf Kneer - 《Plant Physiology》 被引量: 333发表: 2005年 加载更多研究点...
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Such a change could have disastrous effects on rainforest habitats and the plant and animal life that calls them home. Unlike open landscapes, the space beneath a rainforest canopy tends to maintain stable temperatures, creating a kind of protective bubble environment that shields the forest from ...